Best music app: WhoSampled - Best apps of 2012

MUSIC: WhoSampled
(iPhone, £1.99) Discover the secrets of your music collection with this
fascinating app. WhoSampled scans your library to find cover versions of
your songs and to identify where they have been sampled or pinpoint the
tracks they have sampled. It’s well-designed, simple to use and essential
for any music fan’s phone.